blood test vs. skin test

Posted on: Thu, 02/08/2007 - 3:15pm
spinal26's picture
Joined: 02/09/2007 - 09:00

I just found out my 5 yr old is a 4 on the skin test for a peanut allergy. Is a blood test or a skin test better?

Posted on: Thu, 02/08/2007 - 11:23pm
JenOhio's picture
Joined: 02/09/2007 - 09:00

I am new to this, and certainly no expert, but my ped said that the skin test is more accurate.

Posted on: Fri, 02/09/2007 - 12:24am
LB-PhD's picture
Joined: 02/09/2007 - 09:00

We went to Dr. Wood @ Johns Hopkins - a respected expert on food allergies. He uses the blood work and recommends NOT using the roman numeral categories but using the raw scores (1-100) from the blood test

Posted on: Fri, 02/09/2007 - 4:22am
sweetandsour's picture
Joined: 02/09/2007 - 09:00

I heard that a skin test is generally more sensitive, and that any positive (i.e. certain mm larger than the control) is a positive, no matter how large the wheal. Our allergist doesn't give a "class" sensitivity.

Posted on: Sat, 02/10/2007 - 10:13pm
spinal26's picture
Joined: 02/09/2007 - 09:00

Thank you. I will get him some bloodwork as well.

Posted on: Thu, 02/15/2007 - 7:20pm
williamsmummy's picture
Joined: 03/26/2002 - 09:00

Both, with reaction history, and family history.

Posted on: Thu, 02/15/2007 - 10:20pm
notnutty's picture
Joined: 03/15/2004 - 09:00

My 6 year PA DS has never had a skin test...the reason....he has had reactions and bloodwork....Class test is too dangerous for him.
I think the testing methods is not necessarily better than the other. It depends on the individual situation.

Posted on: Fri, 02/16/2007 - 12:51am
JennB's picture
Joined: 01/31/2007 - 09:00

I am curious why a skin test would be so risky?

Posted on: Fri, 02/16/2007 - 5:25am
notnutty's picture
Joined: 03/15/2004 - 09:00

I was told that since my son is contact sensitive, Class 6, and has had anaphylaxis reactions that the test itself could cause a serious reaction....and is totally unnecessary for him.
Since the skin prick test introduces a tiny amount of allergen into the skin this testing is not appropriate for my DS.

Posted on: Fri, 02/16/2007 - 10:32am
JennB's picture
Joined: 01/31/2007 - 09:00

Thanks for explaining that to me daughter's reaction to the skin test was severe....and after it was over i wondered if i did the right thing...then we did the blood test and it was 93 ...not sure what class...

Peanut Free Store

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